* {
    margin: 0;
    padding: 0;
    list-style: none;
}

header {
    width: 100vw;
    height: 5rem;
    background: rgb(255,0,0);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 1.25rem;
    box-sizing: border-box;
}

.header_ipt {
    width: 90%;
    overflow: hidden;
    position: relative;
}

.header_text {
    position: absolute;
    left: 2%;
    top: 20%;
}

.inp {
    width: 90%;
    height: 1.875rem;
    border-radius: 0.625rem;
    border: none;
    outline: none;
    color: rgb(161, 161, 161);
    padding: 0 0.625rem;
    box-sizing: border-box;
}

.list-one {
    width: 100vw;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: center;
    padding: 0.3125rem;
    box-sizing: border-box;
}

.list-one li {
    width: 48%;
    height: 250%;
    padding: 0.625rem;
    box-sizing: border-box;
    border-radius: 0.75rem;
    box-shadow: 0 0.625rem 1.25rem #ebeaea;
    background: white;
    margin: 0.375rem 0.25rem;
}

.list-one li img {
    box-sizing: border-box;
    border-radius: 0.75rem;
}

.list-one li p {
    margin: 0.375rem 0;
}

.one {
    width: 100%;
    height: 2.5rem;
    margin: 15px 0;
    color: rgb(163, 163, 163);
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.9375rem;
}

.one li {
    width: 7.5rem;
    height: 2.5rem;
    background: rgb(228, 228, 228);
    text-align: center;
    line-height: 2.5rem;
    border-radius: 0.3125rem;
}

.btn {
    width: 100%;
    height: 3.75rem;
    margin-bottom: -0.75rem;
    border: none;
    border-top: 0.0625rem solid #ebeaea;
    font-size: 1.125rem;
}
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
}
.shai:hover{
    color: rgb(255, 0, 0);
}